669158032

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{256579}}^1$

素因数の和:256750

約数の個数: 20

約数和(自身を含む): 1304452720

約数和(自身を除く): 635294688

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 256579, 513158, 1026316, 2052632, 4105264, 41822377, 83644754, 167289508, 334579016, 669158032]

約数ペア:

[(1, 669158032), (2, 334579016), (4, 167289508), (8, 83644754), (16, 41822377), (163, 4105264), (326, 2052632), (652, 1026316), (1304, 513158), (2608, 256579)]